Finding the Third Proportional to 485,189 and 1,052,845

Step by Step Solution

1. Step 1: Write the proportion equation
   485,189 : 1,052,845 = 1,052,845 : x
2. Step 2: Convert to fraction form
   485,189/1,052,845 = 1,052,845/x
3. Step 3: Cross multiply
   485,189x = 1,052,845 × 1,052,845
4. Step 4: Simplify right side
   485,189x = 1,108,482,594,025
5. Step 5: Solve for x
   x = 1,108,482,594,025/485,189
6. Step 6: Final answer
   x = 2,284,640.82